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path: root/src/ical.c
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2016-01-18Use a separate field for the completed statusLukas Fleischer
Add a new field that indicates whether a todo item is completed or not instead of encoding completed todo items by negative priorities. Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>
2016-01-15Export item UIDs upon requestLukas Fleischer
Add a new --export-uid command line option that adds each item's hash to the UID property when exporting. Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>
2016-01-13ical: Handle items without an end date gracefullyLukas Fleischer
Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>
2016-01-13ical: Refactor item date/time parserLukas Fleischer
Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>
2016-01-13Reimplement ical_unformat_line() using dynamic stringsLukas Fleischer
Use the new dynamic string utility functions instead of relying on a fixed-size buffer. Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>
2016-01-13ical: Export completed todo items properlyLukas Fleischer
Do not skip completed todo items when exporting to an iCal file. Instead, mark them as "STATUS:COMPLETED". Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>
2016-01-13ical: Honor completed status of todo itemsLukas Fleischer
When importing todo items from an iCal file, mark completed items as completed. Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>
2016-01-13Add --list-imported command line optionLukas Fleischer
When this option is used together with -i/--import, the object identifiers of imported objects are printed to stdout. Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>
2015-02-25ical.c: Small refactoringLukas Fleischer
Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
2015-02-24Use time_t instead of long in several placesLukas Fleischer
Start converting some variables and return values to store times from long to time_t. Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
2015-02-24ical.c: Reduce nesting depthLukas Fleischer
Refactor the iCal parser to reduce nesting depth. Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
2015-02-24Introduce starts_with() and starts_with_ci()Lukas Fleischer
Create user-defined functions to check whether a string contains a certain prefix instead of messing around with strncmp() and strncasecmp(). Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
2015-02-23Add support for UTC times in iCal importsLukas Fleischer
According to the iCal standard (4.3.12 Time): UTC time, or absolute time, is identified by a LATIN CAPITAL LETTER Z suffix character (US-ASCII decimal 90), the UTC designator, appended to the time value. Parse such time values properly when importing iCal files. Fixes GitHub issue #3. Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
2015-02-07Update copyright rangesLukas Fleischer
Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
2014-08-18Correctly parse all types of iCal durationsLukas Fleischer
This was supposed to be fixed in 6ca2535 (ical.c: Simplify and fix ical_durtime2long(), 2014-07-28) but some cases were not covered. Reported-by: Håkan Jerning <jerning@home.se> Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
2014-08-18Gracefully handle all day events in iCal importsLukas Fleischer
Do not create two events when importing an event that lasts an entire day. Reported-by: Jörn Tillmanns <tillmanns@tuxzone.org> Reported-by: Håkan Jerning <jerning@home.se> Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
2014-08-18Handle CRLF line endings in iCal filesLukas Fleischer
RFC 2445 mentions that CRLF line endings may be used in iCal files. Handle them properly when importing. Reported-by: Håkan Jerning <jerning@home.se> Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
2014-07-28ical.c: Parse multiple exception rules properlyLukas Fleischer
There can be multiple EXDATE lines per event. Parse them correctly instead of making the last line overwrite the previous ones. Reported-by: Håkan Jerning <jerning@home.se> Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
2014-07-28ical.c: Simplify and fix ical_durtime2long()Lukas Fleischer
Correctly parse all types of durations. Before this change, durations without an hour or minute component were not parsed properly. Reported-by: Håkan Jerning <jerning@home.se> Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
2014-07-08ical.c: Remove newlines from item summariesLukas Fleischer
Newline characters are not allowed in calcurse item descriptions. Replace any newlines in iCal summary lines with spaces. Fixes GitHub issue #6. Reported-by: Jonathan McCrohan <jmccrohan@gmail.com> Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
2013-04-14Use tabs instead of spaces for indentationLukas Fleischer
This completes our switch to the Linux kernel coding style. Note that we still use deeply nested constructs at some places which need to be fixed up later. Converted using the `Lindent` script from the Linux kernel code base, along with some manual fixes. Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
2013-02-17Fix braces in if-else statementsLukas Fleischer
From the Linux kernel coding guidelines: Do not unnecessarily use braces where a single statement will do. [...] This does not apply if one branch of a conditional statement is a single statement. Use braces in both branches. Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
2013-02-04Merge branch 'maint'Lukas Fleischer
2013-02-04Update copyright rangesLukas Fleischer
Add 2013 to the copyright range for all source and documentation files. Reported-by: Frederic Culot <frederic@culot.org> Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
2013-01-30Use strncasecmp() for case-insensitive comparisonLukas Fleischer
Instead of converting everything to upper case and then using strncmp(), use strncasecmp() which does case-insensitive comparison out of the box. Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
2012-12-06Fix two enumeration types in function signaturesLukas Fleischer
Spotted with clang and "-Wconversion". Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
2012-07-10Use integers rather than floats everywhereLukas Fleischer
We don't need floating point precision if results are casted back to integer. Instead, rearrange operations and do the integer division after the multiplication. Version numbers are terminating decimals anyway and can be stored using two integers without losing any information. Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
2012-05-21Switch to Linux kernel coding styleLukas Fleischer
Convert our code base to adhere to Linux kernel coding style using Lindent, with the following exceptions: * Use spaces, instead of tabs, for indentation. * Use 2-character indentations (instead of 8 characters). Rationale: We currently have too much levels of indentation. Using 8-character tabs would make huge code parts unreadable. These need to be cleaned up before we can switch to 8 characters. Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
2012-05-08Declare several parameters/variables constantLukas Fleischer
Add the "const" keyword to parameters and variables that are never modified. Most of these were spotted by "-Wwrite-strings". We cast the second parameter to execvp() explicitly as it expects a "char *const[]" where it should expect a "const char *const[]" (according to the documentation, this is due to compatibility reasons). This should be changed once we come up with a better solution. Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
2012-04-20Mark several functions staticLukas Fleischer
These are not needed outside of the corresponding compilation units. Spotted with "-Wmissing-prototypes". Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
2012-03-30Revert a bunch of strncmp() conversionsLukas Fleischer
All strncmp() usages were replaced by (evidently) equivalent strcmp() invocations in commit 2c9499bf272e06a62902711c6c20621ef3f80e64. However, some of the strncmp() calls were perfectly justified and we actually broke iCal import and "C-"-style key bindings by converting them to strcmp(). Fix this by reverting all affected conversions. Reported-by: Baptiste Jonglez <baptiste@jonglez.org> Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
2012-03-26Update copyright rangesLukas Fleischer
Add 2012 to the copyright range for all source and documentation files. Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
2012-03-12Get rid of string structuresLukas Fleischer
These were only used to construct constant strings with additional length fields. However, we can just use standard constant character arrays instead and let the compiler calculate the string length. Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
2012-03-12Use strcmp() instead of strncmp()Lukas Fleischer
strncmp() isn't intended to be a secure strcmp() replacement, it is designed to be used if you want to compare the first n characters of two strings. Since we always compare character pointers with string literals, switch to using strcmp() everywhere. Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
2012-02-19Remove all usages of bzero() and bcopy()Lukas Fleischer
The bzero() and bcopy() functions are deprecated and were removed from the POSIX standard in IEEE Std. 1003.1-2008. Remove all usages of bzero()/bcopy() and replace them by appropriate memset()/memmove() calls. Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
2012-02-18Fix up strncat() usageLukas Fleischer
The last argument to strncat() should not be the total buffer length; it should be the space remaining: The strncat() function shall append not more than n bytes (a null byte and bytes that follow it are not appended) from the array pointed to by s2 to the end of the string pointed to by s1. The initial byte of s2 overwrites the null byte at the end of s1. A terminating null byte is always appended to the result. This patch fixes a couple of potential buffer overflow vulnerabilities. Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
2012-02-18Don't chomp on error in ical_readline_init()Lukas Fleischer
Skip the newline check if fgets() returns a NULL string. Fixes another warning seen with "-Wunused-result". Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
2012-01-17Split note file generation into separate functionLukas Fleischer
We currently use this in one place only but might reuse this a couple of times later (when migrating to libical). Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
2012-01-07Break out different import/export formatsLukas Fleischer
Extract iCal and pcal import/export routines into separate files. This reduces complexity of the super huge "io.c" source file and makes it easier to follow changes that affect the iCal and pcal routines only (commits affecting both formats are very uncommon). Before: $ wc -l src/io.c 2938 src/io.c After: $ wc -l src/{io,ical,pcal}.c 1445 src/io.c 1263 src/ical.c 317 src/pcal.c 3025 total Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
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